from helper import hopper, unittest, PillowTestCase from PIL import Image, PsdImagePlugin test_file = "Tests/images/hopper.psd" class TestImagePsd(PillowTestCase): def test_sanity(self): im = Image.open(test_file) im.load() self.assertEqual(im.mode, "RGB") self.assertEqual(im.size, (128, 128)) self.assertEqual(im.format, "PSD") im2 = hopper() self.assert_image_similar(im, im2, 4.8) def test_invalid_file(self): invalid_file = "Tests/images/flower.jpg" self.assertRaises(SyntaxError, lambda: PsdImagePlugin.PsdImageFile(invalid_file)) def test_n_frames(self): im = Image.open("Tests/images/hopper_merged.psd") self.assertEqual(im.n_frames, 1) self.assertFalse(im.is_animated) im = Image.open(test_file) self.assertEqual(im.n_frames, 2) self.assertTrue(im.is_animated) def test_eoferror(self): im = Image.open(test_file) n_frames = im.n_frames while True: n_frames -= 1 try: # PSD seek index starts at 1 rather than 0 im.seek(n_frames+1) break except EOFError: self.assertLess(im.tell(), n_frames) def test_seek_tell(self): im = Image.open(test_file) layer_number = im.tell() self.assertEqual(layer_number, 0) im.seek(0) layer_number = im.tell() self.assertEqual(layer_number, 0) im.seek(1) layer_number = im.tell() self.assertEqual(layer_number, 1) im.seek(2) layer_number = im.tell() self.assertEqual(layer_number, 2) def test_seek_eoferror(self): im = Image.open(test_file) self.assertRaises(EOFError, lambda: im.seek(-1)) def test_icc_profile(self): im = Image.open(test_file) self.assertIn("icc_profile", im.info) icc_profile = im.info["icc_profile"] self.assertEqual(len(icc_profile), 3144) def test_no_icc_profile(self): im = Image.open("Tests/images/hopper_merged.psd") self.assertNotIn("icc_profile", im.info) if __name__ == '__main__': unittest.main()